always send last location in callback payload

compass/app/Http/Controllers/Api.php

@@ -341,7 +341,7 @@ class Api extends BaseController
 
       // Notify subscribers that new data is available
       if($db->ping_urls) {
-        $job = (new NotifyOfNewLocations($db->id, $last_location))->onQueue('compass');
+        $job = (new NotifyOfNewLocations($db->id))->onQueue('compass');
         $this->dispatch($job);
       }
     }

compass/app/Jobs/NotifyOfNewLocations.php

@@ -10,16 +10,15 @@ use DateTime, DateTimeZone;
 class NotifyOfNewLocations extends Job implements SelfHandling, ShouldQueue
 {
   private $_dbid;
-  private $_last_location;
 
-  public function __construct($dbid, $last_location) {
+  public function __construct($dbid) {
     $this->_dbid = $dbid;
-    $this->_last_location = $last_location;
   }
 
   public function handle() {
     $db = DB::table('databases')->where('id','=',$this->_dbid)->first();
     $urls = preg_split('/\s+/', $db->ping_urls);
+
     foreach($urls as $url) {
       if(trim($url)) {
         $ch = curl_init($url);
@@ -29,12 +28,12 @@ class NotifyOfNewLocations extends Job implements SelfHandling, ShouldQueue
           'Authorization: Bearer '.$db->read_token,
           'Compass-Url: '.env('BASE_URL').'api/last?token='.$db->read_token.'&geocode=1'
         ]);
-        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($this->_last_location));
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $db->last_location);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
         curl_exec($ch);
         $timestamp = '';
-        if($this->_last_location) {
-          $timestamp = $this->_last_location['properties']['timestamp'];
+        if($db->last_location) {
+          $timestamp = json_decode($db->last_location)->properties->timestamp;
         }
         Log::info("Notifying ".$url." with current location: ".$timestamp);
       }